Lathe attachment.



G. W. SAPELY. LATHE ATTACHMENT.

- APPLIGATION FILED D110. 22, 1910.

1,048,891, V Patented Dec.31,1912.

3 SHEETS-SHEET 1.

G. W. SAPELIY.

LATHE ATTACHMENT- APPLICATION FILED DEC. 224 1910' 1,048,891. PatentedDe0.31,1912.

3 SHEETS-SHBBT 2.

I G. w. SAPELYQ LATHE ATTACHMENT.

1 APPLICATION FILED 20110.22, 1010. T 1,048,891 Patented De0.'31,19-12.

I a sums-sum a.

GEORGE SAFELY, NEW ORLEANS,

LOUISIANA, ASSIGNOR OF ONE-HALF '10 HENRY A. CUNLIFFE, OF NEW OBLEANS,LOUISIANA.

LATHE ATTACHMENT.

Specification of Letters Patent.

Patented Dec'. 31, 1912.

Application filed December 22, 1910. Serial No. 598,740.

To all wiwm it may concarn Be it known that I, GEORGE W. SAFELY, acitizen of the United States, residing at New Orleans, inthe parish ofOrleans and State of Louisiana, have invented certain new and usefulImprovements in Lathe At-.

tachments, of which the following is a speci fication.

This invention relates to lathe attachments, and has for its object toprovide a device of this character which may be conveniently attached toany well known lathe.

A further object of the invention is to construct an attachment of thisnature which will be in convenient reach of the operator no matter whatposition the carriage may be.

Other objects and advantages will be apparent from the followingdescription, and it will be understood that changes in the specificstructure shown and described may be made within the scope of the claimwithout departing from the spirit of the invention.

In the accompanying drawings: Figure l is a front elevation, showing thedevice applied to the lathe and usual driving mechanism. Fig. 2 is anend view of a lathe, with the attachment applied. Fig. 3 is alongitudinal sectional view taken on line 3 3 of Fig. 1. Fig. 4 is avertical view taken on line 4-4 of Fig. 1. Fig. 5 is a front elevation,showing the device applied to a lathe equippedwith a direct drive. Fig.6 is a vertical section on line 6 -6 of Fig. 1.

Referring to the drawings, the numeral 1 designates the lathe-bed, and 2the head stock, and 3 the usual-tail stock. The lathebed is suitablysupported upon standards 4-4. Adapted 'for longitudinal travel on thebed 1 is the usual carriage 5 having an apron. 6. Arranged upon the sideof the lathe-bed "1 is a rocking shaft 7 having its 0 posite endsjournaled in bearings 8-8. T he shaft 7 is provided with a longitudinalgroove 9. Secured to the apron 6 and adapted to travel therewith is aplate 10 having formed integral therewith a tubular member 11. Rotatablewithinthe tubular member 11 is a collar 12 having formed upon its innersurface a lug 13, said lug ada ted to project into the groove 9 of theshaft The collar 12 projects sufliciently beyond the tubular member 11so that a hand lever 14 may be secured thereto, or if desired thehandcollar 12 is provided with an annular groove 15 adapted to receive a key16, said key being passed through openings 17--17 formed in the tubularmember 11, and may be held against accidental displacement by a cotterpin 18. From this construction it will be seen that the collar 12 maybe-partially r0- tated and by means of the lugs 13 engaging the groove 9the shaft 7 is rocked, and the key 16 will prevent the collar 12 fromhaving endwise movement in relation to the tubular member 11.

Rigidly secured near one end of the shaft 7 by means of a set screw 19is a collar 20 having formed integral therewith a lever 21. If desired,the collar 20 may be feathered to the shaft 7 by a key 22, said keyengaging the groove 9 of the shaft 7 and groove p.23 formed in the innerside of the collar 20. Pivotally connected to the end of the lever 21 isa rod 24 having its opposite end pivoted to a shaft 25, said, shaftbeing pivotally supported in the'coiling bracket 26. The shaft 25 isprovided with a weight or counterbalance 27. Formed integral with theshaft 25 is an arm 28, the end of which engages the annular groove 29formed in the collar 30, said collar being rigidly connected to theshift rod 31 of the usual clutch operatin mechanism, as'clearly shown inFig. 1 o the drawings. In Fig. 5 the same principle is involved, andshows the attachment operating in conjunction'with a direct drive lathe.I

---From the foregoing description it will b apparent that as thecarriage 5 and apron 6 travels upon the lathe-bed 1 the tubular member11 will travel therewith, and the collar 12 will slide freely'upon theshaft 7, and the handle 14 will at'all times be in convenient reach ofthe operator. When it is desired to start, stop or reverse the lathe, itis only necessary that the operator grasps the handle 14 and forces thesame upwardly o'r downwardl and the shaft 7, by its connection with tilelug 13 in'the groove 9, will be rocked and the lever 21 will shifttherod 31 through the counterbalance mechanism to impart proper movement tothe lathe.

It will be obvious that the above described mechanism may be readilyapplied to any lever may be integral with the collar 12. The.

type of machine where it is desired to start stop or reverse themachine, or it may he adapted, by minor changes to shift the drivingbelts and the like. I

'Whet is claimed is:

In combination with a lathe carriage, comprising an apron, a-shafthaving alongitudinal' groove formed therein, and having its endsjournaled to the lathe-bed, a plate secured to the apron and adapted totravel therewith, said plate being provided with a tubular memberadapted to surround the grooved shaft, a collar rotatably mounted in Jsaid tubular member, and having a lug to engage with the oove, alinedperforations 15 formed in the tu uler member, an annular groove formedin said collar, a key passing through perforations of the tubularmernber to engage the annular groove of the collar to look the sameagainst independent Ion tudinal movement, a handle carried by e collar,a lever rigidly connected to a ortion of the grooved shaft, and adaptedto be rocked when the handle is operated to shift the usualclutch-mechanism.

In testimony whereof I efiix my signature, in thepresence of twoWitnesses.

GEORGE W. SAFELY. VVit-nesses EDWARD MANDAL, v W. B. Fonnnsr.

